2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
48 * Tunable constants for nfs
51 #define NFS_MAXIOVEC 34
52 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
53 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
54 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
55 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
56 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
57 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
58 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
59 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
60 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
61 #define NFS_MAXGRPS 16 /* Max. size of groups list */
62 #ifndef NFS_MINATTRTIMO
63 #define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
65 #ifndef NFS_MAXATTRTIMO
66 #define NFS_MAXATTRTIMO 60
68 #ifndef NFS_MINDIRATTRTIMO
69 #define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
71 #ifndef NFS_MAXDIRATTRTIMO
72 #define NFS_MAXDIRATTRTIMO 60
74 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
75 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
76 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
77 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
78 #define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
79 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
80 #define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
81 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
82 #ifndef NFS_GATHERDELAY
83 #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
85 #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
87 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
93 #define NMOD(a) ((a) % nfs_asyncdaemons)
94 #define NFS_CMPFH(n, f, s) \
95 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
96 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
97 #define NFS_SRVMAXDATA(n) \
98 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
99 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
103 * The B_INVAFTERWRITE flag should be set to whatever is required by the
104 * buffer cache code to say "Invalidate the block after it is written back".
106 #define B_INVAFTERWRITE B_NOCACHE
109 * The IO_METASYNC flag should be implemented for local file systems.
110 * (Until then, it is nothin at all.)
113 #define IO_METASYNC 0
117 * Expected allocation sizes for major data structures. If the actual size
118 * of the structure exceeds these sizes, then malloc() will be allocating
119 * almost twice the memory required. This is used in nfs_init() to warn
120 * the sysadmin that the size of a structure should be reduced.
121 * (These sizes are always a power of 2. If the kernel malloc() changes
122 * to one that does not allocate space in powers of 2 size, then this all
125 #define NFS_SVCALLOC 256
126 #define NFS_UIDALLOC 128
129 * Arguments to mount NFS
131 #define NFS_ARGSVERSION 3 /* change when nfs_args changes */
133 int version; /* args structure version number */
134 struct sockaddr *addr; /* file server address */
135 int addrlen; /* length of address */
136 int sotype; /* Socket type */
137 int proto; /* and Protocol */
138 u_char *fh; /* File handle to be mounted */
139 int fhsize; /* Size, in bytes, of fh */
140 int flags; /* flags */
141 int wsize; /* write size in bytes */
142 int rsize; /* read size in bytes */
143 int readdirsize; /* readdir size in bytes */
144 int timeo; /* initial timeout in .1 secs */
145 int retrans; /* times to retry send */
146 int maxgrouplist; /* Max. size of group list */
147 int readahead; /* # of blocks to readahead */
148 int leaseterm; /* Term (sec) of lease */
149 int deadthresh; /* Retrans threshold */
150 char *hostname; /* server's name */
151 int acregmin; /* cache attrs for reg files min time */
152 int acregmax; /* cache attrs for reg files max time */
153 int acdirmin; /* cache attrs for dirs min time */
154 int acdirmax; /* cache attrs for dirs max time */
158 * NFS mount option flags
160 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
161 #define NFSMNT_WSIZE 0x00000002 /* set write size */
162 #define NFSMNT_RSIZE 0x00000004 /* set read size */
163 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
164 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
165 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
166 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
167 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
168 #define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
169 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
170 #define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
171 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
172 #define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
173 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
174 #define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
175 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
176 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
177 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
178 #define NFSMNT_ACREGMIN 0x00040000
179 #define NFSMNT_ACREGMAX 0x00080000
180 #define NFSMNT_ACDIRMIN 0x00100000
181 #define NFSMNT_ACDIRMAX 0x00200000
183 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
184 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
185 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
186 #define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
187 #define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
188 #define NFSSTA_DISMNT 0x00800000 /* Dismounted */
189 #define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */
190 #define NFSSTA_WANTSND 0x02000000 /* Want above */
191 #define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */
192 #define NFSSTA_WANTRCV 0x08000000 /* Want above */
193 #define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
194 #define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
195 #define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
196 #define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
199 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
200 * should ever try and use it.
203 int sock; /* Socket to serve */
204 caddr_t name; /* Client addr for connection based sockets */
205 int namelen; /* Length of name */
208 struct nfsd_srvargs {
209 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
210 uid_t nsd_uid; /* Effective uid mapped to cred */
211 u_int32_t nsd_haddr; /* Ip address of client */
212 struct ucred nsd_cr; /* Cred. uid maps to */
213 int nsd_authlen; /* Length of auth string (ret) */
214 u_char *nsd_authstr; /* Auth string (ret) */
215 int nsd_verflen; /* and the verfier */
217 struct timeval nsd_timestamp; /* timestamp from verifier */
218 u_int32_t nsd_ttl; /* credential ttl (sec) */
219 NFSKERBKEY_T nsd_key; /* Session key */
223 char *ncd_dirp; /* Mount dir path */
224 uid_t ncd_authuid; /* Effective uid */
225 int ncd_authtype; /* Type of authenticator */
226 int ncd_authlen; /* Length of authenticator string */
227 u_char *ncd_authstr; /* Authenticator string */
228 int ncd_verflen; /* and the verifier */
230 NFSKERBKEY_T ncd_key; /* Session key */
234 * XXX to allow amd to include nfs.h without nfsproto.h
242 int attrcache_misses;
243 int lookupcache_hits;
244 int lookupcache_misses;
245 int direofcache_hits;
246 int direofcache_misses;
253 int biocache_readlinks;
255 int biocache_readdirs;
257 int rpccnt[NFS_NPROCS];
259 int srvrpccnt[NFS_NPROCS];
266 int srvcache_inproghits;
267 int srvcache_idemdonehits;
268 int srvcache_nonidemdonehits;
271 int srvnqnfs_maxleases;
272 int srvnqnfs_getleases;
274 int accesscache_hits;
275 int accesscache_misses;
280 * Flags for nfssvc() system call.
282 #define NFSSVC_BIOD 0x002
283 #define NFSSVC_NFSD 0x004
284 #define NFSSVC_ADDSOCK 0x008
285 #define NFSSVC_AUTHIN 0x010
286 #define NFSSVC_GOTAUTH 0x040
287 #define NFSSVC_AUTHINFAIL 0x080
288 #define NFSSVC_MNTD 0x100
291 * fs.nfs sysctl(3) identifiers
293 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
294 #define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
296 #define FS_NFS_NAMES { \
298 { "nfsstats", CTLTYPE_STRUCT }, \
299 { "nfsprivport", CTLTYPE_INT }, \
304 #ifdef MALLOC_DECLARE
305 MALLOC_DECLARE(M_NFSREQ);
306 MALLOC_DECLARE(M_NFSDIROFF);
307 MALLOC_DECLARE(M_NFSRVDESC);
308 MALLOC_DECLARE(M_NFSUID);
309 MALLOC_DECLARE(M_NQLEASE);
310 MALLOC_DECLARE(M_NFSD);
311 MALLOC_DECLARE(M_NFSBIGFH);
312 MALLOC_DECLARE(M_NFSHASH);
315 #ifdef ZONE_INTERRUPT
316 extern vm_zone_t nfsmount_zone;
319 extern struct callout_handle nfs_timer_handle;
321 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
324 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
325 * What should be in this set is open to debate, but I believe that since
326 * I/O system calls on ufs are never interrupted by signals the set should
327 * be minimal. My reasoning is that many current programs that use signals
328 * such as SIGALRM will not expect file I/O system calls to be interrupted
331 #define NFSINT_SIGMASK(set) \
332 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
333 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
334 SIGISMEMBER(set, SIGQUIT))
337 * Socket errors ignored for connectionless sockets??
338 * For now, ignore them all
340 #define NFSIGNORE_SOERROR(s, e) \
341 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
342 ((s) & PR_CONNREQUIRED) == 0)
345 * Nfs outstanding request list element
348 TAILQ_ENTRY(nfsreq) r_chain;
353 struct nfsmount *r_nmp;
356 int r_flags; /* flags on request, see below */
357 int r_retry; /* max retransmission count */
358 int r_rexmit; /* current retrans count */
359 int r_timer; /* tick counter on reply */
360 u_int32_t r_procnum; /* NFS procedure number */
361 int r_rtt; /* RTT for rpc */
362 struct proc *r_procp; /* Proc that did I/O system call */
366 * Queue head for nfsreq's
368 extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
370 /* Flag values for r_flags */
371 #define R_TIMING 0x01 /* timing request (in mntp) */
372 #define R_SENT 0x02 /* request has been sent */
373 #define R_SOFTTERM 0x04 /* soft mnt, too many retries */
374 #define R_INTR 0x08 /* intr mnt, signal pending */
375 #define R_SOCKERR 0x10 /* Fatal error on socket */
376 #define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
377 #define R_MUSTRESEND 0x40 /* Must resend request */
378 #define R_GETONEREP 0x80 /* Probe for one reply only */
381 * A list of nfssvc_sock structures is maintained with all the sockets
382 * that require service by the nfsd.
383 * The nfsuid structs hang off of the nfssvc_sock structs in both lru
384 * and uid hash lists.
386 #ifndef NFS_UIDHASHSIZ
387 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
389 #define NUIDHASH(sock, uid) \
390 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
391 #ifndef NFS_WDELAYHASHSIZ
392 #define NFS_WDELAYHASHSIZ 16 /* and with this */
394 #define NWDELAYHASH(sock, f) \
395 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
396 #ifndef NFS_MUIDHASHSIZ
397 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
399 #define NMUIDHASH(nmp, uid) \
400 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
401 #define NFSNOHASH(fhsum) \
402 (&nfsnodehashtbl[(fhsum) & nfsnodehash])
405 * Network address hash list element
408 u_int32_t had_inetaddr;
409 struct sockaddr *had_nam;
413 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
414 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
415 int nu_flag; /* Flags */
416 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
417 struct ucred nu_cr; /* Cred uid mapped to */
418 int nu_expire; /* Expiry time (sec) */
419 struct timeval nu_timestamp; /* Kerb. timestamp */
420 u_int32_t nu_nickname; /* Nickname on server */
421 NFSKERBKEY_T nu_key; /* and session key */
424 #define nu_inetaddr nu_haddr.had_inetaddr
425 #define nu_nam nu_haddr.had_nam
426 /* Bits for nu_flag */
427 #define NU_INETADDR 0x1
429 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
432 STAILQ_ENTRY(nfsrv_rec) nr_link;
433 struct sockaddr *nr_address;
434 struct mbuf *nr_packet;
438 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
439 TAILQ_HEAD(, nfsuid) ns_uidlruhead;
441 struct socket *ns_so;
442 struct sockaddr *ns_nam;
444 struct mbuf *ns_rawend;
445 STAILQ_HEAD(, nfsrv_rec) ns_rec;
446 struct mbuf *ns_frag;
453 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
454 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
455 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
458 /* Bits for "ns_flag" */
459 #define SLP_VALID 0x01
460 #define SLP_DOREC 0x02
461 #define SLP_NEEDQ 0x04
462 #define SLP_DISCONN 0x08
463 #define SLP_GETSTREAM 0x10
464 #define SLP_LASTFRAG 0x20
465 #define SLP_ALLFLAGS 0xff
467 extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
468 extern int nfssvc_sockhead_flag;
469 #define SLP_INIT 0x01
470 #define SLP_WANTINIT 0x02
473 * One of these structures is allocated for each nfsd.
476 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
477 int nfsd_flag; /* NFSD_ flags */
478 struct nfssvc_sock *nfsd_slp; /* Current socket */
479 int nfsd_authlen; /* Authenticator len */
480 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
481 int nfsd_verflen; /* and the Verifier */
482 u_char nfsd_verfstr[RPCVERF_MAXSIZ];
483 struct proc *nfsd_procp; /* Proc ptr */
484 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
487 /* Bits for "nfsd_flag" */
488 #define NFSD_WAITING 0x01
489 #define NFSD_REQINPROG 0x02
490 #define NFSD_NEEDAUTH 0x04
491 #define NFSD_AUTHFAIL 0x08
494 * This structure is used by the server for describing each request.
495 * Some fields are used only when write request gathering is performed.
497 struct nfsrv_descript {
498 u_quad_t nd_time; /* Write deadline (usec) */
499 off_t nd_off; /* Start byte offset */
500 off_t nd_eoff; /* and end byte offset */
501 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
502 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
503 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
504 struct mbuf *nd_mrep; /* Request mbuf list */
505 struct mbuf *nd_md; /* Current dissect mbuf */
506 struct mbuf *nd_mreq; /* Reply mbuf list */
507 struct sockaddr *nd_nam; /* and socket addr */
508 struct sockaddr *nd_nam2; /* return socket addr */
509 caddr_t nd_dpos; /* Current dissect pos */
510 u_int32_t nd_procnum; /* RPC # */
511 int nd_stable; /* storage type */
512 int nd_flag; /* nd_flag */
513 int nd_len; /* Length of this write */
514 int nd_repstat; /* Reply status */
515 u_int32_t nd_retxid; /* Reply xid */
516 u_int32_t nd_duration; /* Lease duration */
517 struct timeval nd_starttime; /* Time RPC initiated */
518 fhandle_t nd_fh; /* File handle */
519 struct ucred nd_cr; /* Credentials */
522 /* Bits for "nd_flag" */
523 #define ND_READ LEASE_READ
524 #define ND_WRITE LEASE_WRITE
525 #define ND_CHECK 0x04
526 #define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
527 #define ND_NFSV3 0x08
528 #define ND_NQNFS 0x10
529 #define ND_KERBNICK 0x20
530 #define ND_KERBFULL 0x40
531 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
533 extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
534 extern int nfsd_head_flag;
535 #define NFSD_CHECKSLP 0x01
538 * These macros compare nfsrv_descript structures.
540 #define NFSW_CONTIG(o, n) \
541 ((o)->nd_eoff >= (n)->nd_off && \
542 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
544 #define NFSW_SAMECRED(o, n) \
545 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
546 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
547 sizeof (struct ucred)))
553 #define WEBNFS_ESC_CHAR '%'
554 #define WEBNFS_SPECCHAR_START 0x80
556 #define WEBNFS_NATIVE_CHAR 0x80
559 * Possibly more here in the future.
563 * Macro for converting escape characters in WebNFS pathnames.
564 * Should really be in libkern.
568 ((c) >= 'a' ? ((c) - ('a' - 10)) : \
569 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
570 #define HEXSTRTOI(p) \
571 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
575 extern int nfs_debug;
576 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
577 #define NFS_DEBUG_WG 2 /* server write gathering */
578 #define NFS_DEBUG_RC 4 /* server request caching */
580 #define NFS_DPF(cat, args) \
582 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
587 #define NFS_DPF(cat, args)
591 u_quad_t nfs_curusec __P((void));
592 int nfs_init __P((struct vfsconf *vfsp));
593 int nfs_uninit __P((struct vfsconf *vfsp));
594 int nfs_reply __P((struct nfsreq *));
595 int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
596 int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *,
598 int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
599 int, int, u_quad_t *, struct mbuf **, struct mbuf **,
601 int nfs_sndlock __P((struct nfsreq *));
602 void nfs_sndunlock __P((struct nfsreq *));
603 int nfs_slplock __P((struct nfssvc_sock *, int));
604 void nfs_slpunlock __P((struct nfssvc_sock *));
605 int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
606 int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
608 int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
609 int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
611 int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt,
612 struct ucred *cred, struct proc *procp));
613 int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
614 int nfs_asyncio __P((struct buf *, struct ucred *, struct proc *));
615 int nfs_doio __P((struct buf *, struct ucred *, struct proc *));
616 int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
617 int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
618 int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
619 int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
620 void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
621 struct nfs_fattr *));
622 void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
623 struct vattr *, struct mbuf **, char **));
624 void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
625 struct mbuf **, char **));
626 int netaddr_match __P((int, union nethostaddr *, struct sockaddr *));
627 int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *,
628 struct ucred *, struct mbuf **, struct mbuf **,
630 int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
632 int nfs_namei __P((struct nameidata *, fhandle_t *, int,
633 struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
634 caddr_t *, struct vnode **, struct proc *, int, int));
635 void nfsm_adj __P((struct mbuf *, int, int));
636 int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
637 void nfsrv_initcache __P((void));
638 int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
639 char **, int *, char *, int *, NFSKERBKEY_T));
640 int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **,
641 int *, char *, int));
642 int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int,
643 NFSKERBKEY_T, struct mbuf **, char **,
645 int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
646 void nfs_nhinit __P((void));
647 void nfs_timer __P((void*));
648 u_long nfs_hash __P((nfsfh_t *, int));
649 int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
650 struct nfsrv_descript **));
651 int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
653 void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
654 void nfsrv_cleancache __P((void));
655 int nfs_connect __P((struct nfsmount *, struct nfsreq *));
656 void nfs_disconnect __P((struct nfsmount *));
657 void nfs_safedisconnect __P((struct nfsmount *));
658 int nfs_getattrcache __P((struct vnode *, struct vattr *));
659 int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
660 int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *));
661 int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
662 void nfsrv_init __P((int));
663 void nfs_clearcommit __P((struct mount *));
664 int nfsrv_errmap __P((struct nfsrv_descript *, int));
665 void nfsrvw_sort __P((gid_t *, int));
666 void nfsrv_setcred __P((struct ucred *, struct ucred *));
667 int nfs_writebp __P((struct buf *, int, struct proc *));
668 int nfsrv_object_create __P((struct vnode *));
669 void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
670 int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
671 struct proc *, struct mbuf **));
672 int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
675 int nfsrv3_access __P((struct nfsrv_descript *nfsd,
676 struct nfssvc_sock *slp,
677 struct proc *procp, struct mbuf **mrq));
678 int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
679 struct proc *procp, struct mbuf **mrq));
680 int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
681 struct proc *procp, struct mbuf **mrq));
682 int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
683 struct nfssvc_sock *, struct sockaddr *, int *,
685 int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
686 struct export_args *));
687 int nfs_ispublicfh __P((fhandle_t *));
688 int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
689 struct proc *procp, struct mbuf **mrq));
690 int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
691 struct proc *procp, struct mbuf **mrq));
692 int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
693 struct proc *procp, struct mbuf **mrq));
694 int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
695 struct proc *procp, struct mbuf **mrq));
696 int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
697 struct proc *procp, struct mbuf **mrq));
698 int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
699 struct proc *procp, struct mbuf **mrq));
700 int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
701 struct proc *procp, struct mbuf **mrq));
702 int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
703 struct proc *procp, struct mbuf **mrq));
704 int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
705 struct nfssvc_sock *slp, struct proc *procp,
707 int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
708 struct proc *procp, struct mbuf **mrq));
709 int nfsrv_readdir __P((struct nfsrv_descript *nfsd,
710 struct nfssvc_sock *slp,
711 struct proc *procp, struct mbuf **mrq));
712 int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
713 struct nfssvc_sock *slp, struct proc *procp,
715 int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
716 struct nfssvc_sock *slp, struct proc *procp,
718 int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
719 struct proc *procp, struct mbuf **mrq));
720 int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
721 struct proc *procp, struct mbuf **mrq));
722 int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
723 struct proc *procp, struct mbuf **mrq));
724 int nfsrv_setattr __P((struct nfsrv_descript *nfsd,
725 struct nfssvc_sock *slp,
726 struct proc *procp, struct mbuf **mrq));
727 int nfsrv_statfs __P((struct nfsrv_descript *nfsd,
728 struct nfssvc_sock *slp,
729 struct proc *procp, struct mbuf **mrq));
730 int nfsrv_symlink __P((struct nfsrv_descript *nfsd,
731 struct nfssvc_sock *slp,
732 struct proc *procp, struct mbuf **mrq));
733 int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
734 struct proc *procp, struct mbuf **mrq));
735 void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag));
736 void nfsrv_slpderef __P((struct nfssvc_sock *slp));